Jingjun Lu (Jeff) Email & Phone Number

Singapore

Singapore

SimplifyNext is a technology consulting company specialized in automation, analytics and AI to provide digital transformation service for leading organizations.I am part of the Automation & Analytics team (Banking & Finance Sector). My main duties include:Data Analytics- Data Extraction: Gather data from databases, spreadsheets, and APIs- Data Processing: Design data processing logic using Python and SQL, reducing data processing time and achieving >90% automation- Data Visualization: Build and maintain Tableau and PowerBI dashboards to communicate findings- Data Analysis: Analyze data on manpower, account status, and SLA to uncover insights supporting business decisionsRobotics Process Automation (RPA)- Deliver 6 RPA projects with 10 software robots, improving operational efficiency- Achieve thousands of annual man-days savings for clients- Build robots using UiPath, Blue Prism, and develop VB.NET/Python scripts to enhance automationPost-Sales Technical Support- Main contact for technical matters on 8+ Automation and Analytics products- Meet 100% SLA on queries, reduce resolution time and system downtime- Received client praise for resolving critical business challengesProject Management- Deliver end-to-end RPA and analytics projects independently, achieving >80% On-Time Delivery- Collaborate with stakeholders to design and develop secure, efficient technical solutionsSolution Engineering- Analyze business problems, define technical requirements, and design tailored solutionsCustomer Success- Assist in expanding services to new client teams through enhanced delivery and relationship building- Engage clients for feedback, implement continuous improvements, and provide coaching and documentationPre-Sales Support- Collaborate with clients and sales teams to estimate costs and timelines for resource planning

Singapore

Shopee is the leading e-commerce platform in Southeast Asia. It is a platform tailored for the region, providing customers with an easy, secure and fast online shopping experience through strong payment and logistical support.I was part of the Computer Vision team. My main duties include:Algorithm Development- Designed and developed multiple algorithms to enhance image quality for product card images in Shopee Indonesia marketplace- Planned and conducted A/B testing to find the algorithm with the best performance- Successfully increased click through rate (CTR) on high impression items with the new developed algorithm- Created technical design flow charts for new developed algorithm on Confluence for ease of referenceImage Processing- Applied image processing techniques such as object detection, image segmentation, OCR detection and face detection with Python OpenCV and APIs to better understand product images- Implemented image enhancement algorithm to highlight product region and downplay background region, which includes image sharpening, background blurry, adjustment on image contrast, brightness, saturation, etc.Data Analysis and Management- Performed data preparation and data cleansing using Hadoop Distributed File System (HDFS) and Python Pandas for future experiment, evaluation and testing- Created data visualization for algorithm testing results with Excel Pivot Chart- Composed data evaluation reports on image processing algorithm and identified potential ways for improvementsMilestone- Offered to continue a part time position, due to outstanding results and contributions within the team

Singapore

Seagate Technology is a global leader for data storage and management solutions.I was part of the Equipment Development Engineering team. My main duties include:Software Development- Developed new features for the company’s machine learning training platform web application using Python Dash and Plotly such as object detection and semantic segmentation training user interface, real-time training monitor and evaluation graphs- Designed and improved the web application UI using HTML and CSS to enhance user experienceImplemented data integration between UI components and Halcon machine learning training scripts through data flow and Halcon Python API- Collaborated with Seagate IT team and Halcon vendor to address software issues- Reduced the cost of Halcon subscription fee every year for the company with the newly developed machine learning training platform- Reduced the required engineering efforts on model training through replacing Halcon programming platform with model training web UI which does not require code writingMachine Learning- Implemented object detection model training on wafer images from Seagate factory using Halcon and Python TensorFlow to recognize key features and filter out unqualified products, perform hyper-parameters tuning to achieve high precision and recall on testing data- Annotated thousands of images with different image annotator such as LabelImg and CVAT; conducted trade-off analysis for feasibility and improvementsData Analysis- Developed automated ETL script for output data from various of machine learning models in Seagate factory and generated visualization dashboards for model performance monitoringTechnical Writing- Wrote documentation on software updates on different versions for future reference- Created software user guide for Seagate factory technicians to train machine learning models

Singapore

Ahrefs is a SaaS company creating online SEO tools for marketing professionals.I was part of the Data Science Team. My main duties include:Image Processing - Analyzed images and developed image comparison algorithm for similar image search using Python OpenCV and PyTorch which reduced image retrieval time- Constructed image ranking model for search engine based on image features using OpenCV and Support Vector Machine (SVM) classifierNatural Language Processing - Implemented image captioning in multiple languages based on TensorFlow Convolutional Neural Networks (CNN) and Recurrent Neural Networks (RNN) models for text-based image search- Conducted entity linking in multiple languages to Wikidata knowledge base with millions of items using PyTorch Hugging Face transformers package- Performed web crawling on hundreds of webpages to extract URLs for further URL content analysisProduct Development- Built and optimized Ahrefs search engine fairsearch.com which helped increase usersMilestone- Offered to return to internship in future, due to outstanding results and contributions within the company

Bachelor'S Degree, Electrical And Electronics Engineering, Honours, Highest Distinction (1St Class Honours)

Specialized in InfoCommunication Engineering Received full scholarship awarded by the Ministry of Education Singapore (MOE) to top 5%.

Bridging Course, Mostly A